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Dell

Dell 3090 Micro-25323-R OptiPlex i5 Mini Desktop (Renewed)

Dell OptiPlex 3090 Micro packs an Intel i5-10500T and 512GB SSD into a tiny 1.42-inch-tall chassis.

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Overview

Compact and Efficient for Home and Business

The Dell OptiPlex 3090 Micro is a renewed mini desktop designed for both home and business environments. Featuring an Intel Core i5-10500T 6-Core processor, 16GB of RAM, and a speedy 512GB PCIe SSD, this mini PC delivers efficient performance in a compact form factor. Equipped with Intel UHD 630 graphics and running on Windows 10 Pro, it offers a versatile solution for various tasks. This product has been professionally inspected and tested to work like new.

Specifications:

  • Brand: Dell
  • Model: 3090 Micro-25323-R
  • Processor: Intel Core i5-10500T 2.30GHz (up to 3.8 GHz)
  • Memory: 16GB DDR4 SO-DIMM
  • Storage: 512GB PCIe SSD
  • Graphics: Intel UHD 630
  • Operating System: Windows 10 Pro-64
  • Ports: 5 x USB 3.2 Gen1, 2 x Display Port (DP), Headphone/Microphone Combo Jack
  • Power Supply: 65W
  • Color: Black
  • Form/Style: Mini PC
  • Dimensions: 7.16 in x 7.03 in x 1.42 in
  • Weight: 2.31 lb

Pros & Cons

👍 Pros

  • Extremely compact at just 7.16 x 7.03 x 1.42 inches, fitting easily behind a monitor or in tight spaces
  • 6-core i5-10500T processor provides solid performance for office and productivity workloads
  • Near-silent operation due to the low 65W power draw and efficient thermal design
  • 512GB PCIe SSD delivers fast boot and application load times
  • Lightweight at 2.31 pounds, making it easy to relocate or mount

👎 Cons

  • Renewed product may have minor cosmetic imperfections from prior use
  • Ships with Windows 10 Pro rather than Windows 11, though it may be eligible for upgrade
  • No Wi-Fi or Bluetooth included — requires a USB adapter or Ethernet connection for networking
  • Intel UHD 630 integrated graphics are limited to basic display tasks and cannot handle gaming or GPU-intensive applications
  • Only 16GB RAM and 512GB storage with limited expandability due to the micro form factor

Frequently Asked Questions

This unit has been professionally inspected, tested, and restored to work like new. It may show minor cosmetic wear but is fully functional and comes through a renewed certification process.
Yes, the OptiPlex 3090 Micro's compact 7.16 x 7.03 x 1.42 inch form factor is designed for VESA mounting behind compatible monitors, freeing up desk space entirely.
No, this is the desktop unit only. You will need to supply your own display, keyboard, and mouse. It has two DisplayPort outputs for connecting monitors.
The system uses DDR4 SO-DIMM memory and a PCIe SSD, both of which can potentially be upgraded. The compact micro form factor does limit expansion compared to full-size desktops.
The i5-10500T is a 35W low-power variant designed for small form factor systems. It runs at a lower base clock of 2.30 GHz compared to the standard model but still boosts up to 3.8 GHz, trading some sustained performance for reduced heat and power consumption.

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